The Geissele Super modular MK5 rail featuring KeyMod is the ultimate free float handguard you can treat your rifle to. Geissele products are highly sought after due to the high quality components, tolerances, and the consistency of the products they produce. This modular handguard is a must have for any Geissele fan and should be your first choice your next build.

Specifications and Features:
Geissele Automatics Super Modular Free Float Rail 05-254S
9.5" KeyMod Rail
Mark 5
Height 2.3"
Inside Diameter 1.35"
Outside Diameter 2.11"
Weight 8.51oz
Installed weight including barrel nut 10.43 oz
Sandstone
Designed to work with the AR-15/M4/M16 rifle platforms
Note: When comparing a Geissele total rail weight to a rail that uses a stock barrel nut, make sure to add the weight of the stock barrel nut to the total weight of the non-Geissele rail you are comparing for an accurate comparison.